I have a camera solver on a camera, how can I delete the solver on a duplicate camera and keep the rotation and location the same?
Convert the tracking information to keyframes.
On the selected camera, open the camera solver constraint and click on convert the constraint to f-curve

Motion and rotation of the camera will be converted to keyframes.
https://docs.blender.org/manual/en/latest/animation/constraints/motion_tracking/camera_solver.html